Home / 890,358.81-1,228,717.76-546,384.72

Finding the Fourth Proportional to 890,358.81, 1,228,717.76 and 546,384.72

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Solution

The fourth proportional to 890,358.81, 1,228,717.76 and 546,384.72 is: 754,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,358.81 : 1,228,717.76 = 546,384.72 : x
  2. Step 2: Convert to fraction form
    890,358.81/1,228,717.76 = 546,384.72/x
  3. Step 3: Cross multiply
    890,358.81x = 1,228,717.76 × 546,384.72
  4. Step 4: Simplify right side
    890,358.81x = 671,352,606,524.70
  5. Step 5: Solve for x
    x = 671,352,606,524.70/890,358.81
  6. Step 6: Final answer
    x = 754,024.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.